/*
 * Ex20.h
 *
 *  Created on: Oct 11, 2013
 *      Author: Administrator
 */

#ifndef EX20_H_
#define EX20_H_

class Ex20 {
public:
	int a;
public:
	Ex20(int a):a(a){}
	Ex20();
	virtual ~Ex20();
	// operator = must be non-static member
	//friend Ex20& operator = (Ex20& a1, Ex20& a2);
};

#endif /* EX20_H_ */
